Transaction · 0001178670-26-000068

SUPRAN BRYAN

SUPRAN BRYAN, EVP, CLO, SECY, reported an open-market or private sale at ALNYLAM PHARMACEUTICALS, INC. involving 1758.000000 shares for an estimated $398855.04. Reported holdings after the transaction were 12807.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SEVP, CLO, SECY
ALNYALNYLAM PHARMACEUTICALS, INC.
Filing timeOct 06
Trade dateOct 02, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded12.07%Shares sold ÷ (holdings after + shares sold). Estimated position before: 14,565 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$219.89
Pre-filing
1mo ago1w ago +16.4%1d ago +5.1%
Returns since
7d30d90d180d1y

ALNY price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ALNY since 2026-10-06Filed 2 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001178670-26-000068
Common Stock
Transaction date
Oct 02, 2026
Filed Oct 06, 2026, 08:12 PM · 4d delay
Shares
1.75k sh
$226.88 per share
Estimated value
-$398k
Computed from shares × price
Holdings after
12.8k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP, CLO and Secretary

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Represents shares automatically sold by the Company on behalf of the reporting person pursuant to a mandatory sell-to-cover provision in the award agreement required to cover minimum statutory tax wit…

Original filing · 0001178670-26-000068
Related transactions

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Same reporting owner
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ALNY